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Related Concept Videos

Anorexia Nervosa01:28

Anorexia Nervosa

Anorexia nervosa is a complex and severe eating disorder characterized by an intense fear of weight gain, an unrelenting pursuit of thinness, and a distorted body image. It often leads to dangerously low body weight relative to an individual's age and height. This disorder is marked by significant physical and psychological consequences, making it one of the most life-threatening psychiatric illnesses.
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Individuals with anorexia nervosa commonly exhibit extreme...
Bulimia Nervosa01:30

Bulimia Nervosa

Bulimia nervosa is a complex and severe eating disorder characterized by a cyclical pattern of binge-and-purge eating pattern. It generally involves an episode of binge eating, followed by compensatory behaviors such as vomiting, excessive exercise, laxative use, or fasting, to prevent weight gain. Despite often maintaining a normal weight, individuals with bulimia are intensely preoccupied with their body image and harbor an overwhelming fear of gaining weight. This can contribute to the...
Binge Eating Disorders01:23

Binge Eating Disorders

Binge eating disorder is a significant mental health condition characterized by recurrent episodes of excessive food consumption within a short period, accompanied by a perceived loss of control over eating behavior. Unlike occasional overeating, binge eating disorder is marked by distressing emotions such as guilt, shame, and anxiety following binge episodes. The disorder affects individuals across different ages and backgrounds, with profound implications for physical and psychological...
Introduction to Psychological Disorders01:19

Introduction to Psychological Disorders

Abnormal behavior, often referred to as mental illness, results from changes in brain function that influence thought patterns, behaviors, and social interactions. Psychologists and psychiatrists typically assess abnormal behavior using three primary criteria: deviance, maladaptation, and personal distress, particularly when these traits persist over long periods.
Deviant Behavior
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Gustation, or the sense of taste, is intrinsically linked to the anatomical structures located on the tongue. This organ's surface, along with the entirety of the oral cavity, is adorned with stratified squamous epithelium. Evident on the tongue are elevated structures known as papillae (singular = papilla), which house the mechanisms for the transduction of gustatory stimuli. Four distinct types of papillae exist, each identified by their unique morphological attributes: the circumvallate,...
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A Computer-Based Platform for Aiding Clinicians in Eating Disorder Analysis and Diagnosis
04:19

A Computer-Based Platform for Aiding Clinicians in Eating Disorder Analysis and Diagnosis

Published on: May 10, 2022

Eating disorders.

Janet Treasure1, Angélica M Claudino, Nancy Zucker

  • 1Section of Eating Disorders, Institute of Psychiatry, King's College London, London, UK. janet.treasure@kcl.ac.uk

Lancet (London, England)
|November 26, 2009
PubMed
Summary
This summary is machine-generated.

This seminar reviews eating disorders, emphasizing biological factors in onset and maintenance. Advances in adult treatment are limited, with new diagnostic categories expected to broaden prevalence estimates.

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Published on: October 22, 2015

Area of Science:

  • Psychiatry
  • Neuroscience
  • Public Health

Background:

  • Eating disorders present significant physical and psychosocial challenges.
  • Previous research highlighted cultural and interpersonal triggers.
  • Understanding appetite regulation offers insights into causal factors.

Purpose of the Study:

  • To update the understanding of eating disorders, focusing on biological contributions.
  • To discuss evolving diagnostic criteria and their impact on prevalence.
  • To review current treatment advancements and challenges.

Main Methods:

  • Literature review and synthesis of current research on eating disorders.
  • Analysis of proposed diagnostic category changes.
  • Evaluation of treatment efficacy and delivery methods.

Main Results:

  • New diagnostic categories (anorexia nervosa, bulimia nervosa, binge eating disorder, eating disorder not otherwise specified) are anticipated, potentially increasing prevalence estimates.
  • Biological factors, including central appetite control and neural network changes, are key to illness onset and maintenance.
  • Treatment advances for adults remain scarce, with limited progress beyond pharmacological options for binge eating disorder.

Conclusions:

  • Eating disorders have complex etiologies involving biological, cultural, social, and interpersonal factors.
  • Revised diagnostic criteria will likely alter population prevalence.
  • Further research is needed to develop effective treatments for adult eating disorders.